cmake_minimum_required(VERSION 3.22.0)

message("CMAKE VERSION: " ${CMAKE_VERSION})

set(NUMBER 1024)

message("number = " ${NUMBER})

set(VAR a1 a2 a3)
message(${VAR})

message($ENV{PATH})

message("hello world")

set(ENV{CXX} "g++")

message($ENV{CXX})